#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2020/3/8 22:15
# @Author  : Roohom
# @Site    : 
# @File    : file1.py
# @Software: PyCharm

"""
从文本文件中读取数据
"""

import time

def main():
    # 一次性读取整个文件内容
    with open('致橡树.txt', 'r', encoding = 'utf-8') as f:
        print(f.read())

    # 通过for in循环逐行读取
    with open('致橡树.txt', mode = 'r') as f:
        for line in f:
            print(line, end='')
            time.sleep(0.5)
    print()

    # 读取文件按行读取到列表中
    with open('致橡树.txt') as f:
        lines = f.readline()
    print(lines)

if __name__ == '__main__':
    main()
